6020 Osborn Street Houston, TX 77033 | 800-241-4175 | www.PlassonUSA.com

BACK UP RINGS

When a secure connection is required for a flange, pump or valve, the Epoxy Coated Plasson USA Back Up Ring provides uniform pressure around the entire sealing surface.

MINING WATER FIRE PROTECTION

INDUSTRIAL LANDFILL OIL & GAS

Plasson USA | 6020 Osborn Street Houston, TX 77033 | 800-241-4175 | www.PlassonUSA.com

BACK UP RINGSNOTES: 1. BOLT CIRCLE IS ANSI/B16.5 CL150. MATES WITH ANSI B16.5, B16.47, AWWA C2072. MATERIAL: DUCTILE IRON, ASTM A536, 65/45/123. FINISH: RED EPOXY COATING STANDARD: OTHERS AVAILABLE UPON REQUESTS4. DIMENSIONS ARE IN INCHES5. TOLERANCES PER ISO 8062:1994(E)

IPS SIZE #/BOLT HOLES

BOLT HOLE DIAMETER O.D. I.D. BOLT CIRCLE T R (S) DR RATING WEIGHT (LBS) FM APPROVED

(CL XXX)

2 4 0.75 6.00 2.46 4.75 0.75 0.23 7 2.30 150,200,267

3 4 0.75 7.50 3.60 6.00 0.94 0.31 7 4.20 150,200,267

4 8 0.75 9.00 4.60 7.50 0.94 0.40 7 5.00 150,200,267

6 8 0.88 11.00 6.75 9.50 1.00 0.40 7 7.10 150,200,267

8 8 0.88 13.50 8.75 11.75 1.12 0.40 7 10.60 150,200,267

10 12 1 16.00 10.92 14.25 1.19 0.40 7 15.70 150,200,267

12 12 1 19.00 12.92 17.00 1.47 0.40 7 24.00 150,200,267

14 12 1.13 21.00 14.18 18.75 1.63 0.40 7 35.70 150,200,267

16 16 1.13 23.50 16.19 21.25 1.85 0.40 7 53.60 150,200,267

18 16 1.25 25.00 18.20 22.75 1.80 0.40 7 49.00 150,200,267

20 20 1.25 27.50 20.38 25.00 2.13 0.31 7 64.80 150,200,267

22 20 1.38 29.50 22.38 27.25 2.30 0.31 7 81.00 150,200,267

24 20 1.38 32.00 24.38 29.50 2.50 0.31 7 101.10 150,200,267

28 28 1.38 36.50 28.38 34.00 2.70 0.31 9 123.60 150,200

30 28 1.38 38.75 30.38 36.00 2.80 0.31 9 142.00 150,200

32 28 1.63 41.75 32.38 38.50 2.89 0.31 9 174.30 150,200

36 32 1.63 46.00 36.38 42.75 3.85 0.31 11 323.00 150

42 36 1.63 53.00 42.38 49.50 4.20 0.31 11 445.40 150

48 44 1.63 59.50 48.38 56.00 4.67 0.31 11 620.20 150

PRODUCT DATA